1642603

Information

• Patent Grant
• 1642603

• References
• Source

• Patent Number

  1,642,603

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1927
  97 years ago

• CPC

  • E21D15/02 - Non-telescopic props

• US Classifications

  • 248 - Supports
  • 405 - Hydraulic and earth engineering